| Abbreviation | Definition |
|---|---|
| J | Judicatory |
| J | Justifiably |
| J | Juvenile |
| JA | Jurisdiction Act |
| JA | Justified Attack |
| JAAB | Judicial Appointments Advisory Board |
| JAIL | Judicial Accountability Initiative Law |
| JAIL | Judicial Accountability Integrity Legislation |
| JAM | Juvenile Arrest And Monitoring |
| JAMA | Judge's Association of Mid-America |
| JAMS | Judicial Arbitration Mediation Services |
| JAP | Judgements, Assumptions, Prejudices |
| JB | Jail Bait |
| JB | Jail Bird |
| JBL | Just Barely Legal |
| JCA | Joint Copyright Assignment |
| JCA | Justice Court of Appeal |
| JCG | John Gardner Center |
| JCHE | Joint Center for Higher Education |
| JCIP | Juvenile Cognitive Intervention Program |